Buffer.prototype.split=Buffer.prototype.split||function (b){
    let arr=[];
  
    let cur=0;
    let n=0;
    while((n=this.indexOf(b, cur))!=-1){
      arr.push(this.slice(cur, n));
      cur=n+b.length;
    }
  
    arr.push(this.slice(cur));
  
    return arr;
  };
  